| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.1%
|
|
| 2 | 13 |
0.8%
|
|
| 3 | 3 |
0.2%
|
|
| 4 | 22 |
1.3%
|
|
| 5 | 4 |
0.2%
|
|
| 6 | 12 |
0.7%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 12 |
0.7%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 12 |
0.7%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 25 |
1.5%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 16 |
0.9%
|
|
| 16 | 6 |
0.3%
|
|
| 17 | 4 |
0.2%
|
|
| 18 | 59 |
3.4%
|
|
| 19 | 8 |
0.5%
|
|
| 20 | 204 |
11.8%
|
|
| 21 | 57 |
3.3%
|
|
| 22 | 243 |
14.1%
|
|
| 23 | 241 |
14%
|
|
| 24 | 599 |
34.7%
|
|
| 888 | Don't know | 178 |
10.3%
|